Rollback of r11638, r11636 on trunk branch.

src/x64/macro-assembler-x64.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 859 matching lines @@
                          Label::Distance distance = Label::kFar);
 
   // Check if a map for a JSObject indicates that the object can have both smi
   // and HeapObject elements.  Jump to the specified label if it does not.
   void CheckFastObjectElements(Register map,
                                Label* fail,
                                Label::Distance distance = Label::kFar);
 
   // Check if a map for a JSObject indicates that the object has fast smi only
   // elements.  Jump to the specified label if it does not.
-  void CheckFastSmiElements(Register map,
-                            Label* fail,
-                            Label::Distance distance = Label::kFar);
+  void CheckFastSmiOnlyElements(Register map,
+                                Label* fail,
+                                Label::Distance distance = Label::kFar);
 
   // Check to see if maybe_number can be stored as a double in
   // FastDoubleElements. If it can, store it at the index specified by index in
   // the FastDoubleElements array elements, otherwise jump to fail.  Note that
   // index must not be smi-tagged.
   void StoreNumberToDoubleElements(Register maybe_number,
                                    Register elements,
                                    Register index,
                                    XMMRegister xmm_scratch,
                                    Label* fail);
@@ skipping 241 matching lines @@
   void LoadTransitionedArrayMapConditional(
       ElementsKind expected_kind,
       ElementsKind transitioned_kind,
       Register map_in_out,
       Register scratch,
       Label* no_map_match);
 
   // Load the initial map for new Arrays from a JSFunction.
   void LoadInitialArrayMap(Register function_in,
                            Register scratch,
-                           Register map_out,
-                           bool can_have_holes);
+                           Register map_out);
 
   // Load the global function with the given index.
   void LoadGlobalFunction(int index, Register function);
 
   // Load the initial map from the global function. The registers
   // function and map can be the same.
   void LoadGlobalFunctionInitialMap(Register function, Register map);
 
   // ---------------------------------------------------------------------------
   // Runtime calls
@@ skipping 319 matching lines @@
     masm->popfd();                                                        \
   }                                                                       \
   masm->
 #else
 #define ACCESS_MASM(masm) masm->
 #endif
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_MACRO_ASSEMBLER_X64_H_